/**
* Clean-up the resources attached to this object. This needs to be called when the ImageView is
* no longer used. A good example is from {@link android.view.View#onDetachedFromWindow()} or from
* {@link android.app.Activity#onDestroy()}. This is automatically called if you are using {@link
* uk.co.senab.photoview.PhotoView}.
*/
@SuppressWarnings("deprecation")
public void cleanup() {
if (null != mImageView) {
// Remove this as a global layout listener
ViewTreeObserver observer = mImageView.getViewTreeObserver();
if (null != observer && observer.isAlive()) {
observer.removeGlobalOnLayoutListener(this);
}
// Remove the ImageView's reference to this
mImageView.setOnTouchListener(null);
// make sure a pending fling runnable won't be run
cancelFling();
}
if (null != mGestureDetector) {
mGestureDetector.setOnDoubleTapListener(null);
}
// Clear listeners too
mMatrixChangeListener = null;
mPhotoTapListener = null;
mViewTapListener = null;
// Finally, clear ImageView
mImageView = null;
}
public void onDismiss() {
mPopup = null;
mMenu.close();
if (mTreeObserver != null) {
if (!mTreeObserver.isAlive()) mTreeObserver = mAnchorView.getViewTreeObserver();
mTreeObserver.removeGlobalOnLayoutListener(this);
mTreeObserver = null;
}
}
private void removeObserverForView(final View view) {
final ViewTreeObserver treeObserver = view.getViewTreeObserver();
if (treeObserver != null && treeObserver.isAlive()) {
if (TiC.JELLY_BEAN_OR_GREATER) {
treeObserver.removeOnGlobalLayoutListener(this);
} else {
treeObserver.removeGlobalOnLayoutListener(this);
}
}
}
public void tearDownListener() {
final ViewTreeObserver viewTreeObserver = mView.getViewTreeObserver();
if (viewTreeObserver != null) {
viewTreeObserver.removeGlobalOnLayoutListener(this);
viewTreeObserver.removeOnGlobalFocusChangeListener(this);
viewTreeObserver.removeOnPreDrawListener(this);
viewTreeObserver.removeOnScrollChangedListener(this);
viewTreeObserver.removeOnTouchModeChangeListener(this);
}
}
/**
* Dismisses the popup window with activities.
*
* @return True if dismissed, false if already dismissed.
*/
public boolean dismissPopup() {
if (isShowingPopup()) {
getListPopupWindow().dismiss();
ViewTreeObserver viewTreeObserver = getViewTreeObserver();
if (viewTreeObserver.isAlive()) {
viewTreeObserver.removeGlobalOnLayoutListener(mOnGlobalLayoutListener);
}
}
return true;
}
/** 删除监听器 */
@SuppressWarnings("deprecation")
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
public static final void removeOnGlobalLayoutListener(
ViewTreeObserver viewTreeObserver,
ViewTreeObserver.OnGlobalLayoutListener onGlobalLayoutListener) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
viewTreeObserver.removeGlobalOnLayoutListener(onGlobalLayoutListener);
} else {
viewTreeObserver.removeOnGlobalLayoutListener(onGlobalLayoutListener);
}
}
@Override
public void onDestroy() {
super.onDestroy();
if (mScrollView == null) {
return;
}
ViewTreeObserver vto = mScrollView.getViewTreeObserver();
if (vto.isAlive()) {
vto.removeGlobalOnLayoutListener(mGlobalLayoutListener);
}
}
public void testRemoveGlobalOnLayoutListener() {
final LinearLayout layout = (LinearLayout) mActivity.findViewById(R.id.linearlayout);
mViewTreeObserver = layout.getViewTreeObserver();
MockOnGlobalLayoutListener listener = new MockOnGlobalLayoutListener();
assertFalse(listener.hasCalledOnGlobalLayout());
mViewTreeObserver.addOnGlobalLayoutListener(listener);
mViewTreeObserver.dispatchOnGlobalLayout();
assertTrue(listener.hasCalledOnGlobalLayout());
listener.reset();
assertFalse(listener.hasCalledOnGlobalLayout());
mViewTreeObserver.removeGlobalOnLayoutListener(listener);
mViewTreeObserver.dispatchOnGlobalLayout();
assertFalse(listener.hasCalledOnGlobalLayout());
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
ActivityChooserModel dataModel = mAdapter.getDataModel();
if (dataModel != null) {
try {
dataModel.unregisterObserver(mModelDataSetOberver);
} catch (IllegalStateException e) {
// Oh, well... fixes issue #557
}
}
ViewTreeObserver viewTreeObserver = getViewTreeObserver();
if (viewTreeObserver.isAlive()) {
viewTreeObserver.removeGlobalOnLayoutListener(mOnGlobalLayoutListener);
}
mIsAttachedToWindow = false;
}
/**
* Clean-up the resources attached to this object. This needs to be called when the ImageView is
* no longer used. A good example is from {@link android.view.View#onDetachedFromWindow()} or from
* {@link android.app.Activity#onDestroy()}. This is automatically called if you are using {@link
* EasePhotoView.co.senab.photoview.PhotoView}.
*/
@SuppressLint("NewApi")
@SuppressWarnings("deprecation")
public final void cleanup() {
if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) {
if (null != mImageView) {
mImageView.get().getViewTreeObserver().removeOnGlobalLayoutListener(this);
}
if (null != mViewTreeObserver && mViewTreeObserver.isAlive()) {
mViewTreeObserver.removeOnGlobalLayoutListener(this);
mViewTreeObserver = null;
// Clear listeners too
mMatrixChangeListener = null;
mPhotoTapListener = null;
mViewTapListener = null;
// Finally, clear ImageView
mImageView = null;
}
} else {
if (null != mImageView) {
mImageView.get().getViewTreeObserver().removeGlobalOnLayoutListener(this);
}
if (null != mViewTreeObserver && mViewTreeObserver.isAlive()) {
mViewTreeObserver.removeGlobalOnLayoutListener(this);
mViewTreeObserver = null;
// Clear listeners too
mMatrixChangeListener = null;
mPhotoTapListener = null;
mViewTapListener = null;
// Finally, clear ImageView
mImageView = null;
}
}
}